Briton vs Cymric

Briton

noun
  • An inhabitant of Great Britain, particularly (historical) a Celt from the area of Roman Britain or (obsolete) a Welshman. 

  • A citizen of the United Kingdom or (historical, obsolete) its overseas empire. 

Cymric

noun
  • Synonym of Walian: a Welsh person, a Welshman or Welshwoman. 

  • A breed of domestic cat, developed in Canada, principally characterized by suppression of the tail and by a semi-long-haired coat, with a medium-sized, rounded, cobby body; it is the longhair version of the Manx cat. 

  • A cat of this breed. 

name
  • Synonym of Welsh, the language of the Welsh people. 

adj
  • Of or related to Cymric cats. 

  • Synonym of Welsh: of or related to Wales, the Welsh people, or the Welsh language. 

How often have the words Briton and Cymric occurred in a corpus of books? (source: Google Ngram Viewer )